直接安装时报错了

  1. localhost:~ ligaijiang$ pip3 install pandas
  2. Collecting pandas
  3.   Downloading https://files.pythonhosted.org/packages/6b/dc/3a88b7bf8437f3f052fc90de72f28c06248142821a7f108e10ff3be5eb59/pandas-0.23.4-cp37-cp37m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl (14.4MB)
  4.     10% |███▎                            | 1.5MB 31kB/s eta 0:06:50Exception:
  5. Traceback (most recent call last):
  6.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 331, in _error_catcher
  7.     yield
  8.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 413, in read
  9.     data = self._fp.read(amt)
  10.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/cachecontrol/filewrapper.py", line 62, in read
  11.     data = self.__fp.read(amt)
  12.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/http/client.py", line 447, in read
  13.     n = self.readinto(b)
  14.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/http/client.py", line 491, in readinto
  15.     n = self.fp.readinto(b)
  16.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/socket.py", line 589, in readinto
  17.     return self._sock.recv_into(b)
  18.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/ssl.py", line 1049, in recv_into
  19.     return self.read(nbytes, buffer)
  20.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/ssl.py", line 908, in read
  21.     return self._sslobj.read(len, buffer)
  22. socket.timeout: The read operation timed out
  23.  
  24. During handling of the above exception, another exception occurred:
  25.  
  26. Traceback (most recent call last):
  27.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 143, in main
  28.     status = self.run(options, args)
  29.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/commands/install.py", line 318, in run
  30.     resolver.resolve(requirement_set)
  31.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/resolve.py", line 102, in resolve
  32.     self._resolve_one(requirement_set, req)
  33.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/resolve.py", line 256, in _resolve_one
  34.     abstract_dist = self._get_abstract_dist_for(req_to_install)
  35.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/resolve.py", line 209, in _get_abstract_dist_for
  36.     self.require_hashes
  37.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/operations/prepare.py", line 283, in prepare_linked_requirement
  38.     progress_bar=self.progress_bar
  39.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 836, in unpack_url
  40.     progress_bar=progress_bar
  41.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 673, in unpack_http_url
  42.     progress_bar)
  43.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 897, in _download_http_url
  44.     _download_url(resp, link, content_file, hashes, progress_bar)
  45.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 617, in _download_url
  46.     hashes.check_against_chunks(downloaded_chunks)
  47.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/utils/hashes.py", line 48, in check_against_chunks
  48.     for chunk in chunks:
  49.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 585, in written_chunks
  50.     for chunk in chunks:
  51.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/utils/ui.py", line 159, in iter
  52.     for x in it:
  53.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_internal/download.py", line 574, in resp_read
  54.     decode_content=False):
  55.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 465, in stream
  56.     data = self.read(amt=amt, decode_content=decode_content)
  57.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 430, in read
  58.     raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
  59.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/contextlib.py", line 130, in __exit__
  60.     self.gen.throw(type, value, traceback)
  61.   File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/pip/_vendor/urllib3/response.py", line 336, in _error_catcher
  62.     raise ReadTimeoutError(self._pool, None, 'Read timed out.')
  63. pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

需要先安装numpy

  1. localhost:~ ligaijiang$ pip3 install  numpy
  2. Collecting numpy
  3.   Downloading https://files.pythonhosted.org/packages/83/0d/1dd2f96eff7f5df22166066f7dbd213428d46f78f8ed9dea8345ca1a1f51/numpy-1.16.0-cp37-cp37m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl (13.9MB)
  4.     100% |████████████████████████████████| 13.9MB 57kB/s
  5. Installing collected packages: numpy
  6. Successfully installed numpy-1.16.0

再安装 pandas

  1. localhost:~ ligaijiang$ pip3 install pandas
  2. Collecting pandas
  3.   Downloading https://files.pythonhosted.org/packages/6b/dc/3a88b7bf8437f3f052fc90de72f28c06248142821a7f108e10ff3be5eb59/pandas-0.23.4-cp37-cp37m-macosx_10_6_intel.macosx_10_9_intel.macosx_10_9_x86_64.macosx_10_10_intel.macosx_10_10_x86_64.whl (14.4MB)
  4.     100% |████████████████████████████████| 14.4MB 178kB/s
  5. Collecting pytz>=2011k (from pandas)
  6.   Downloading https://files.pythonhosted.org/packages/61/28/1d3920e4d1d50b19bc5d24398a7cd85cc7b9a75a490570d5a30c57622d34/pytz-2018.9-py2.py3-none-any.whl (510kB)
  7.     100% |████████████████████████████████| 512kB 325kB/s
  8. Requirement already satisfied: numpy>=1.9.0 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from pandas) (1.16.0)
  9. Collecting python-dateutil>=2.5.0 (from pandas)
  10.   Downloading https://files.pythonhosted.org/packages/74/68/d87d9b36af36f44254a8d512cbfc48369103a3b9e474be9bdfe536abfc45/python_dateutil-2.7.5-py2.py3-none-any.whl (225kB)
  11.     100% |████████████████████████████████| 235kB 374kB/s
  12. Requirement already satisfied: six>=1.5 in /Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages (from python-dateutil>=2.5.0->pandas) (1.12.0)
  13. Installing collected packages: pytz, python-dateutil, pandas
  14. Successfully installed pandas-0.23.4 python-dateutil-2.7.5 pytz-2018.9

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